zakelwe
03-10-2004, 11:54 AM
Ok, my " Dummies chiller " is now up and running tonight again after buying my cheapo Hanna CheckPoint1 thermometer !
I actually converted a freezer using the packing it came in for insulation around the top lip, see here
http://www.xtremesystems.org/forums/showthread.php?s=&threadid=22968&perpage=25&pagenumber=24
Note No refrigeration units were hurt in the making of this chiller.
This is important if I want to sell it again and also it makes it easy for people like me who do not even have a pipe bender ;)
Right, now todays testing.
First I tested my new Hanna thermometer in boiling water :-
http://www.aocb77.dsl.pipex.com/atemp1.jpg
Looking up the boiling point of water in my physics book it turns out this is pretty close.
Now Gary advised I bypass the thermostat on the freezer, but looking at the manual it says that Warp 5 on the scale makes the condensor run all the time, me takes this to mean a built in bypass ( correct me if I am wrong Gary ! ) . So up to Warp 5 and we have
http://www.aocb77.dsl.pipex.com/atemp2.jpg
I thought freezers were -18C so this was a pleasant surprise.
Now, unfortunately my lqiuid holder is plastic and an insulator so even after 22 hours of surface cooling it is only at
http://www.aocb77.dsl.pipex.com/atemp3.jpg
I actually converted a freezer using the packing it came in for insulation around the top lip, see here
http://www.xtremesystems.org/forums/showthread.php?s=&threadid=22968&perpage=25&pagenumber=24
Note No refrigeration units were hurt in the making of this chiller.
This is important if I want to sell it again and also it makes it easy for people like me who do not even have a pipe bender ;)
Right, now todays testing.
First I tested my new Hanna thermometer in boiling water :-
http://www.aocb77.dsl.pipex.com/atemp1.jpg
Looking up the boiling point of water in my physics book it turns out this is pretty close.
Now Gary advised I bypass the thermostat on the freezer, but looking at the manual it says that Warp 5 on the scale makes the condensor run all the time, me takes this to mean a built in bypass ( correct me if I am wrong Gary ! ) . So up to Warp 5 and we have
http://www.aocb77.dsl.pipex.com/atemp2.jpg
I thought freezers were -18C so this was a pleasant surprise.
Now, unfortunately my lqiuid holder is plastic and an insulator so even after 22 hours of surface cooling it is only at
http://www.aocb77.dsl.pipex.com/atemp3.jpg